8 States with the Most Fluoridated Water in the US

2. Minnesota

Population served by CWS that have fluoridated water (%): 98.80%

The State Of Minnesota is the 14th largest state of the US by area and is located in the mid-western region of the country. Minnesota’s population stands at 5,737,915, according to the 2023 census data. Despite the large population, 4,483,603 residents receive water from the community water systems, and among these, 4,432,008 individuals receive fluoridated water.